After a power failure the temperature in a freezer increased at an average rate of 1.3 degrees fahrenheit per hour. the total increase was 3.9 degrees fahrenheit. write and solve an equation to find the number of hours until the power was restored.

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)